On the Move podcast, Lance and George are talking about all the crashes yesterday. It turns out that one of the sponsors in the publicity caravan was spraying soap bubbles ahead of the race, which may have been what made the roads extra slippery. In this photo, you can see white streaks on the road.
In the early ’90s, some sponsors in the publicity caravan were tossing out souvenir pins to the fans. Those pins got into the tires of the riders and support vehicles and also created a lot of problems.